IT1063990B - MULTI-ROTATING CIRCULAR MOLD - Google Patents

MULTI-ROTATING CIRCULAR MOLD

Info

Publication number
IT1063990B
IT1063990B IT24184/76A IT2418476A IT1063990B IT 1063990 B IT1063990 B IT 1063990B IT 24184/76 A IT24184/76 A IT 24184/76A IT 2418476 A IT2418476 A IT 2418476A IT 1063990 B IT1063990 B IT 1063990B
Authority
IT
Italy
Prior art keywords
rotating circular
circular mold
mold
rotating
circular
Prior art date
Application number
IT24184/76A
Other languages
Italian (it)
Inventor
Shiomi Kozen
Shimizu Ryoichi
Original Assignee
Toyo Soda Mfg Co Ltd
Japan Steel Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Soda Mfg Co Ltd, Japan Steel Works Ltd filed Critical Toyo Soda Mfg Co Ltd
Application granted granted Critical
Publication of IT1063990B publication Critical patent/IT1063990B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/254—Sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT24184/76A 1975-06-13 1976-06-11 MULTI-ROTATING CIRCULAR MOLD IT1063990B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50070946A JPS51147556A (en) 1975-06-13 1975-06-13 Multiilayer rotary circular die

Publications (1)

Publication Number Publication Date
IT1063990B true IT1063990B (en) 1985-02-18

Family

ID=13446168

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24184/76A IT1063990B (en) 1975-06-13 1976-06-11 MULTI-ROTATING CIRCULAR MOLD

Country Status (6)

Country Link
US (1) US4111630A (en)
JP (1) JPS51147556A (en)
DE (1) DE2626351A1 (en)
FR (1) FR2314048A1 (en)
GB (1) GB1548425A (en)
IT (1) IT1063990B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855607C2 (en) * 1978-12-22 1983-02-17 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Extrusion head for the production of single-layer or multi-layer tubular films
ZA801489B (en) * 1979-04-06 1981-03-25 Durapipe Ltd A method of and apparatus for extruding plastics products
US4305703A (en) * 1980-09-12 1981-12-15 Lupke Manfred Arno Alfred Composite die assembly for use in the production of thermoplastic tubing
FR2503627A1 (en) * 1981-04-09 1982-10-15 Raffinage Cie Francaise HEAD FOR EXTRUSION OF A TUBULAR PARAISON TO AT LEAST ONE LAYER OF MATERIAL
US4784594A (en) * 1983-03-11 1988-11-15 Mobil Oil Corporation Single lip rotary tubular extrusion die
DE3481901D1 (en) * 1983-03-11 1990-05-17 Mobil Oil Corp SINGLE-LOBED ROTATING NOZZLE.
FR2557016A2 (en) * 1983-12-23 1985-06-28 Raffinage Cie Francaise HEAD FOR EXTRUSION OF A TUBULAR PARAISON TO AT LEAST ONE LAYER OF POLYMERIC MATERIAL
DE3425371C2 (en) * 1984-07-10 1986-05-07 Windmöller & Hölscher, 4540 Lengerich Film die head for the production of tubular films
FR2591527B1 (en) * 1985-12-18 1988-04-01 Alphacan Sa APPARATUS FOR EXECUTING PLASTIC TUBES WITH COMPOSITE WALLS. PROCESS FOR THE MANUFACTURE OF TUBES USING THE APPARATUS
DE3617652A1 (en) * 1986-05-26 1987-12-03 Troester Maschf Paul EXTRUDER SYSTEM FOR SHEATING A STRAND-SHAPED PRODUCT, ESPECIALLY A CABLE
AT387672B (en) * 1987-08-12 1989-02-27 Rosendahl Masch Gmbh DEVICE FOR INJECTING A SOUL, IN PARTICULAR AN ELECTRIC LADDER
US5046938A (en) * 1989-11-01 1991-09-10 Hoover Universal, Inc. Improved multiple layer die head with adjustable gaps
US5393216A (en) * 1990-09-20 1995-02-28 General Electric Company Modular tubular extrusion head and a process for extruding tubular articles
US5069612A (en) * 1990-09-20 1991-12-03 General Electric Corporation Modular tubular extrusion head
US5779959A (en) * 1990-09-20 1998-07-14 General Electric Company Process for forming plastic articles
DE4111228A1 (en) * 1991-04-08 1992-10-15 Wilhelm Hegler DEVICE FOR PRODUCING PLASTIC TUBES
CA2219022A1 (en) * 1995-04-24 1996-10-31 Black Clawson Sano Inc. Extrusion die
DE19719220C2 (en) * 1997-05-07 1999-09-16 Troester Maschf Paul Crosshead of an extrusion line
US6158999A (en) * 1998-08-07 2000-12-12 Hartman; Steven Rotary die
US6514341B1 (en) * 2000-04-03 2003-02-04 Avaya Technology Corp. Method and apparatus for removing optical fiber
ITMI20011730A1 (en) * 2000-08-16 2003-02-07 Windmoeller & Hoelscher BLOWER HEAD FOR TUBULAR FILM
US7513766B2 (en) * 2005-10-11 2009-04-07 Cryovac, Inc. Extrusion apparatus having a driven feed segment
WO2017175249A1 (en) * 2016-04-06 2017-10-12 Gimac Di Maccagnan Giorgio Extrusion head for making tubular articles
CN110843190B (en) * 2019-12-09 2021-11-05 苏州同大机械有限公司 Three-layer flow guide storage type die head device of blow molding machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244383B (en) * 1964-08-25 1967-07-13 Kalle Ag Ring nozzle with adjustable nozzle gap
US3419938A (en) * 1965-01-21 1969-01-07 Union Carbide Corp Multi-channel tubular extrusion die
US3388426A (en) * 1966-06-09 1968-06-18 Gloucester Eng Co Inc Blown film die apparatus
US3546743A (en) * 1968-04-26 1970-12-15 Northern Petro Chem Co Die for extruding laminated plastic tube
CA934913A (en) * 1968-05-20 1973-10-09 G. Papesh Edward Blown tubular die apparatus for extruding laminated film
FR2031753A5 (en) * 1969-02-06 1970-11-20 Western Plastics Corp
US3649143A (en) * 1969-05-01 1972-03-14 Pierson Ind Inc Composite tubular film apparatus
CA922463A (en) * 1970-03-31 1973-03-13 R. St. Eve Daniel Rotatable co-extrusion die
JPS5137938B2 (en) * 1971-12-29 1976-10-19
US3947172A (en) * 1972-11-03 1976-03-30 Western Electric Company, Inc. Apparatus for extruding plastic materials
JPS538342B2 (en) * 1974-08-16 1978-03-28

Also Published As

Publication number Publication date
JPS5325575B2 (en) 1978-07-27
FR2314048B1 (en) 1980-02-15
DE2626351A1 (en) 1976-12-30
FR2314048A1 (en) 1977-01-07
US4111630A (en) 1978-09-05
GB1548425A (en) 1979-07-18
JPS51147556A (en) 1976-12-17

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